Flat 121, 26 High Street, Slough, SL1 1ER
About Flat 121
Flat 121 is a mid-terrace house in Slough (SL1 1ER). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 2007 onwards and council tax band D. The latest certificate (September 2019) returns a high B (score 85), putting the home a stone's throw from an A rating. The rating has held steady at B across 2 certificates since February 2015. Between certificates, lighting went from Good to Very Good. Main heating runs on electricity. At 66 m² this is the 57th smallest of 77 units on EPC record in the building, where floor areas span 43–119 m². The building's EPC ratings span D to B, with this unit at the top.
Most recent transfer was February 2025 at £260,000 — fresh data. At 66 m² it's 17.9% larger than the typical home in the postcode (56 m² median across 76 EPCs). Across 2008–2025, sale prices on this property compounded at 0.9% per year. On a £-per-square-foot basis, the last sale (£366/sq ft) was about 25.8% above the typical sold price in the postcode.
Everything you need to know about Flat 121
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Flat 121 has no planning applications on record.
But the area is active
12 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Flat 121's sale-price growth has lagged the wider UK trajectory across its history on file.
£249,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.9% per year over 17 years.
£260,000
Growth on file: 0.9% per year over 17 years.
Sales timeline
24 February 2025Most recent
£260,000
+10.6%over 9 years13 October 2015
£235,000
+5.9%over 7 years1 May 2008
£221,995
Median price across the last 5 sales in SL1 1ER: £170,000 (2024–2021).
Nearby sales in SL1 1ER
Flat 108, 26 High Street, Slough, SL1 1ER
Sold Aug 2024
£210,000Flat 154, 26 High Street, Slough, SL1 1ER
Sold Dec 2022
£140,000Flat 111, 26 High Street, Slough, SL1 1ER
Sold Oct 2021
£270,000Flat 131, 26 High Street, Slough, SL1 1ER
Sold Sept 2021
£170,000Flat 134, 26 High Street, Slough, SL1 1ER
Sold Sept 2021
£170,000
Versus other High Street homes
Years Held for Flat 121 lags the street by a wide margin.
Price per m²
£3,939
Street avg £3,292
Floor Area
66 m²
Street avg 58 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
1.7 t/year
Street avg 1.8 t/year
Everything you need to know about Flat 121
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Wellington Street Stop Y — bus stop.
Closest school
0.7 km
Slough and Eton Church of England Business and Enterprise College. 31 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.8dB

Night-time· 23:00 – 07:00
44.5dB






